Olympic gold medal-winning sailors Sarah Ayton, Sarah Webb and Pippa Wilson race each other in the Ferrari F430 Scuderia, and Tiff Needell test-drives the Farbio GTS 400, Vicki Butler-Henderson pits the new Alfa Romeo Mito against the classic Mini, a... (more)nd Tim Shaw examines the diesel v petrol debate to find out which fuel offers the better value.